Portable stadium cushion



FIG. 1 is a bottom, front, and left side perspective view of a portable stadium cushion showing my new design;

FIG. 2 is a top, rear, and left side perspective view thereof;

FIG. 3 is a reduced bottom plan view thereof;

FIG. 4 is a reduced right side elevational view thereof, the left side being a mirror image of that shown;

FIG. 5 is a bottom, front, and left side perspective view of a second embodiment thereof; and,

FIG. 6 is a top, rear, and left side perspective view of the embodiment of FIG. 5, the only difference residing in the configuration of the bottom. 

The ornamental design for a portable stadium cushion, as shown and described. 